than béo
Definition
- Noun:
- Fat coal / Caking coal: A type of bituminous coal with a high volatile matter content. When heated, it softens, swells, and produces a long, luminous flame. It is a primary coal used for coke production in metallurgy.
Usage Examples
- Noun:
- Than béo là nguyên liệu quan trọng để luyện coke. (Fat coal is an important raw material for making coke.)
- Khi đốt, than béo cho ngọn lửa dài và nhiều khói. (When burned, caking coal produces a long flame and a lot of smoke.)
Advanced Usage
- Technical Context: In geology and energy industries, "fat coal" specifically refers to coal with strong caking properties, crucial for creating the porous, strong carbon structure needed in blast furnaces.
Variants and Related Words
- Than đá (n): Coal (general term).
- Việt Nam có trữ lượng than đá lớn. (Vietnam has large coal reserves.)
- Than mỡ (n): A synonymous term for "than béo" (fat coal).
- Than gầy (n): Lean coal / Non-caking coal. Coal with low volatile matter that does not soften or swell when heated.
- Than gầy thường được dùng cho nhà máy nhiệt điện. (Lean coal is often used for thermal power plants.)
Synonyms
- Caking coal
- Bituminous coal (specific type)
- Fat coal
Related Terms
- Chất bốc: Volatile matter (the components in coal that are released as gas when heated).
- Luyện coke: Coke making / Coking. The process of heating fat coal in the absence of air to produce coke.